1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.imagegallery.service.permission;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.SystemException;
27  import com.liferay.portal.security.auth.PrincipalException;
28  import com.liferay.portal.security.permission.ActionKeys;
29  import com.liferay.portal.security.permission.PermissionChecker;
30  import com.liferay.portal.util.PropsValues;
31  import com.liferay.portlet.imagegallery.model.IGFolder;
32  import com.liferay.portlet.imagegallery.model.IGImage;
33  import com.liferay.portlet.imagegallery.service.IGImageLocalServiceUtil;
34  
35  /**
36   * <a href="IGImagePermission.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   */
40  public class IGImagePermission {
41  
42      public static void check(
43              PermissionChecker permissionChecker, long imageId, String actionId)
44          throws PortalException, SystemException {
45  
46          if (!contains(permissionChecker, imageId, actionId)) {
47              throw new PrincipalException();
48          }
49      }
50  
51      public static void check(
52              PermissionChecker permissionChecker, IGImage image, String actionId)
53          throws PortalException, SystemException {
54  
55          if (!contains(permissionChecker, image, actionId)) {
56              throw new PrincipalException();
57          }
58      }
59  
60      public static boolean contains(
61              PermissionChecker permissionChecker, long imageId, String actionId)
62          throws PortalException, SystemException {
63  
64          IGImage image = IGImageLocalServiceUtil.getImage(imageId);
65  
66          return contains(permissionChecker, image, actionId);
67      }
68  
69      public static boolean contains(
70              PermissionChecker permissionChecker, IGImage image, String actionId)
71          throws PortalException, SystemException {
72  
73          IGFolder folder = image.getFolder();
74  
75          if (PropsValues.PERMISSIONS_VIEW_DYNAMIC_INHERITANCE) {
76              if (!IGFolderPermission.contains(
77                      permissionChecker, folder, ActionKeys.VIEW)) {
78  
79                  return false;
80              }
81          }
82  
83          if (permissionChecker.hasOwnerPermission(
84                  image.getCompanyId(), IGImage.class.getName(),
85                  image.getImageId(), image.getUserId(), actionId)) {
86  
87              return true;
88          }
89  
90          return permissionChecker.hasPermission(
91              folder.getGroupId(), IGImage.class.getName(), image.getImageId(),
92              actionId);
93      }
94  
95  }